Install VNC Server Gnome in Ubuntu

Install Gnome Desktop. (To save resources, you can install XFace instead of Gnome)

sudo apt install ubuntu-gnome-desktop gnome-panel gnome-settings-daemon metacity nautilus gnome-terminal

sudo systemctl enable gdm

sudo systemctl start gdm

Install a VNC Server

sudo apt install tightvncserver

Run VNC Server for the first time to create the password and startup script.

vncserver

Give password and kill the VNC Instance.

vncserver -kill :1

If nano, a text editor, is not installed, you have to install it before editing the startup script.

sudo apt-get install nano

Edit the startup script

nano ~/.vnc/xstartup

Make sure the following contents are there in the startup script.

#!/bin/sh

export XKL_XMODMAP_DISABLE=1

unset SESSION_MANAGER

unset DBUS_SESSION_BUS_ADDRESS

[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup

[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources

xsetroot -solid grey

vncconfig -iconic & gnome-panel &

gnome-settings-daemon &

metacity &

nautilus &

gnome-terminal &

Save by using Ctrl + X and selecting to save.

Grant privileges.

chmod 700 ~/.vnc/xstartup

Start the VNC Server. Use your screen resolution.

vncserver -geometry 1600x900